a united states drone killed him and at least five others traveling with him in a car today. he's a saudi national who was held at guantanamo bay fr at least 6 years. >> you might go to some more police at the stations. in montgomery county, those officers will be using a new safety tool. they have devices on their belts that detect radiation. the department also bought 40 of the detectors with federal grant money. >>> all day tomorrow, the vic m victims are remembered. in the morning, thousands of people will remember the victims at the world trade center memorial site. there will be four minutes of silence. at the pentagon, the private service is planned for survivors and families of the victims. >> next on news 4, a bison charges at some kids but park officials say the animal isn't to blame. >> also, the gnats. it could spell trouble for fans come playoff time. >> some people spent thousands on one ride. [ romney ] this president can ask us to be patient. this president can tell us it was someone else's fault. but this president cannot tell us that you're better off today